| Acronym | Definition |
|---|
| OCTA | Orange County Transportation Authority (California) |
| OCTA | Oregon-California Trails Association |
| OCTA | Ohio Cable Telecommunications Association |
| OCTA | Organized Crime Threat Assessment |
| OCTA | Oregon Cable Telecommunications Association |
| OCTA | Oxidizing Capacity of the Tropospheric Atmosphere |
| OCTA | Oswego Classroom Teachers' Association |
| OCTA | Oklahoma Cable & Telecommunications Association |
| OCTA | Osceola Classroom Teachers Association |
| OCTA | Outsized Cargo Tanker Aircraft |
